Do NUKZ and SMRF hold the same stocks?

By their latest filings, 28% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.

Which is more different from the S&P 500, NUKZ or SMRF?

NUKZ has 23% of its weight in S&P 500 names and SMRF has 28%, so NUKZ differs more from the index.

Which is cheaper, NUKZ or SMRF?

NUKZ charges 0.85% a year and SMRF charges 0.65%, so SMRF is cheaper. Fees come from each fund's prospectus.

Share on X Download as PDF Open live

NUKZ vs SMRF: which is really different?

NUKZ and SMRF hold 28% of their weight in the same names. Range Nuclear Renaissance Index ETF and ALPS Nautilus SMR, Nuclear & Technology ETF.

23.1%

NUKZ in the S&P 500

27.8%

SMRF in the S&P 500

−6.6%

NUKZ total return, 1 year

−11.7%

SMRF total return, since launch

NUKZ · 1 year to Sep 30, 202677% of its weight is outside the S&P 500

23% of NUKZ's weight is in S&P 500 companies and 77% is outside the index

SMRF · 6 months to Sep 30, 202672% of its weight is outside the S&P 500

28% of SMRF's weight is in S&P 500 companies and 72% is outside the index

ETFIQ Off-Index Score · NUKZ scores higherHow much of it is not the index it is sold as an alternative to?

NUKZ 57.6

SMRF 27.5

0.1, the lowest in this set92.0, the highest

A percentile among the 375 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it → How it is computed →

What they hold in common

By the books each fund has filed, NUKZ and SMRF hold 28% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026.

50%

half

28% in common

Positions both hold, largest shared weight first

Holding NUKZ SMRF

CAMECO CORPORATION 9.10% 4.30%

GE VERNOVA INC. 3.34% 3.82%

Oklo Inc 2.32% 4.22%

ROLLS-ROYCE HOLDINGS PLC 3.02% 2.16%

BWX TECHNOLOGIES, INC. 1.84% 4.23%

Nuscale Power Corp 1.76% 3.77%

URANIUM ENERGY CORP. 1.46% 4.00%

CONSTELLATION ENERGY CORPORATION. 2.62% 1.44%

DUKE ENERGY CORPORATION 2.55% 1.41%

CENTRUS ENERGY CORP. 1.27% 3.17%

Nano Nuclear Energy Inc 1.99% 1.16%

Silex Systems Ltd 1.61% 0.96%

Only in NUKZ

SAMSUNG C&T CORPORATION 3.45%

CEZ, a.s. 2.98%

Endesa, Sociedad Anonima 2.87%

CURTISS-WRIGHT CORPORATION 2.50%

EMERSON ELECTRIC CO. 2.48%

Hitachi, Ltd. 2.39%

Terra Innovatum Global NV 2.34%

KOREA ELECTRIC POWER CORPORATION 2.20%

Only in SMRF

Cgn Power Co Ltd 4.28%

Nexgen Energy Ltd 4.23%

Nac Kazatomprom Jsc 3.82%

Energy Fuels Inc/canada 3.54%

Paladin Energy Ltd 3.41%

Denison Mines Corp 2.96%

Astera Labs Inc 2.83%

Micron Technology Inc 2.43%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed.

28% of the two portfolios are the same securities at the same weight.

Performance, window by window

	Total return		vs the S&P 500		vs the Nasdaq-100
Window	NUKZ	SMRF	NUKZ	SMRF	NUKZ	SMRF
3 months	−9.9%	−11.2%	−12.4 pts	−13.7 pts	−12.0 pts	−13.3 pts
6 months	−10.4%	−2.9%	−27.4 pts	−19.9 pts	−37.3 pts	−29.8 pts
1 year	−6.6%	not published	−22.3 pts	not published	−30.4 pts	not published
Since launch NUKZ Jan 2024 · SMRF Feb 2026	+142.1%	−11.7%	+79.8 pts	−24.0 pts	+65.8 pts	−34.7 pts

NUKZ and SMRF over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

NUKZ

Range Nuclear Renaissance Index ETF · Holds 46 stocks in nuclear and uranium, 23% of its weight in S&P 500 companies

SMRF

ALPS Nautilus SMR, Nuclear & Technology ETF · Holds 72 stocks in nuclear and uranium, 28% of its weight in S&P 500 companies

Issuer Range ALPS

Theme Nuclear and uranium Nuclear and uranium

In the S&P 500 23.1% 27.8%

Active share vs the S&P 500 98.7% 92.5%

In the Nasdaq-100 2.6% 14.4%

Holdings 46 72

Top ten, share of the fund 36.4% 40.2%

Expense ratio 0.85% 0.65%

Fee for the differing part 0.86% 0.70%

Total return, 1 year −6.6% −11.7% (since launch on Feb 19, 2026)

vs the S&P 500 −22.3 pts −24.0 pts

vs the Nasdaq-100 −30.4 pts −34.7 pts

Below its high −21.0% −22.1%

Net assets $890m $11m

NUKZ and SMRF on the same fields, as of Sep 30, 2026. Source: ETFIQ.

NUKZ in plain words

By weight, 23% of NUKZ's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 36% of the fund across 46 positions, as filed for May 31, 2026. Over the year to Sep 30, 2026 the fund returned −6.6% with distributions reinvested against +15.7% for the S&P 500, so a holder was behind by 22.3 pts. It sits 21.0% below its all-time high of May 6, 2026.

SMRF in plain words

By weight, 28% of SMRF's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 92%. The top ten holdings are 40% of the fund across 72 positions, as filed for May 31, 2026. Since it launched on Feb 19, 2026 the fund returned −11.7% with distributions reinvested against +12.3% for the S&P 500, so a holder was behind by 24.0 pts. It sits 22.1% below its all-time high of Jun 2, 2026.

Questions people ask

Do NUKZ and SMRF hold the same stocks?: By their latest filings, 28% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, NUKZ or SMRF?: NUKZ has 23% of its weight in S&P 500 names and SMRF has 28%, so NUKZ differs more from the index.
Which is cheaper, NUKZ or SMRF?: NUKZ charges 0.85% a year and SMRF charges 0.65%, so SMRF is cheaper. Fees come from each fund's prospectus.

Other comparisons

NUKZ vs RCTR NUKZ vs UX NUKZ vs TNUK NUKZ vs URAN SMRF vs TNUK SMRF vs URAN SMRF vs URNJ SMRF vs URNM

NUKZ on its own →SMRF on its own →How every figure is computed →Standards and sources →

Where these figures came from

NUKZ filings on SEC EDGAR ↗NUKZ prospectus with the expense ratio (SEC) ↗Range website ↗SMRF filings on SEC EDGAR ↗SMRF prospectus with the expense ratio (SEC) ↗ALPS website ↗

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement. A comparison is not a recommendation.

Cite this page

ETFIQ, NUKZ against SMRF, data as of Sep 30, 2026. https://etfiq.com/compare/themes/nukz-vs-smrf

Open data

Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.